" 8) "f(x)=x tan^(-1)x" di "f'(1)=......

If f(x)=x*tan^(-1)x," then: "f'(1)=

If : f(x)=x*tan^(-1)x," then: "f'(1)=

f(x)=tan^(-1)x-x , is …………

If f(x)=x tan^(-1)x, then f'(1) equals

If f(x)=tan^(-1)x , then find f''(x).

If f(x)=x tan^(-1) x , then what is f'(1) ?

Write down the domain of : (i) f(x) = sin^(-1) x (ii) f(x) = cos^(-1)x (iii) f(x) = tan^(-1)x (iv) f(x) = sec^(-1) x

If f(x) = x tan^(-1)x , then f^(')(1) is equal to